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●Return air pipe and outlet pipe should be fixed to floor precast slabs by iron stand; in addition, all
ports of the air conduit should be tightly sealed by gasket cement, and it is advisable that the edge
clearance of return air pipe should be 150mm at least.
●Drain pipe for condensed water should be installed with minimum gradient of 1 , and the drain pipe
should be insulated with heat-preserving pipe casing as well.
Installation of the rectangular duct
Installation of the round duct
2.3
Outdoor Unit Installation
2.3.1
Service Space for Outdoor Unit
Unit: mm
NOTE: The minimum distance between the outdoor unit and walls described in the installation
guide does not apply to airtight rooms. Be sure to keep the unit unobstructed In at least two of the
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